89 YG6 Solid Carbide Stub Length Twist Drills Bit Jobber Drill Bit Precision Ground Hardplate For ALL STEEL Stainless Steel Metal. Stub length (aka Mechanics length): Shorter than jobber drills, mechanics length drills are named as such because they fit into tighter spaces and are less likely to break while still allowing a reasonable flute length. YG6 Solid Carbide (aka ISO K20), which density is about 14.5-14.9 g/cm3. The hardness of it is about 89HRA. No Center Punch Need. The 135° Quick-Cut points are self-centering and penetrate quickly with less pressure. Will not “walk” or “wander”. Straight shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks. Must be used and operated at proper RPMs for maximum efficiency. Material: YG6 Solid Carbide Hardness: HRA. 89 Density: 14.5-14.9 g/cm3 Bending Strength:1380N/cm2 Impact toughness:Approx. 2.5J/cm2 Shank Type: Round Shank Diameter:1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm Length Type: Stub Length(aka Mechanics Length) Size Detail:As The Picture Show. SET A 6Pcs (1-6mm)=1mm, 2mm, 3mm, 4mm, 5mm, 6mm. SET B 5Pcs(2-10mm)=2mm, 4mm, 6mm, 8mm, 10mm. SET C 13Pcs (1-13mm)=1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm. YG6 Solid Carbide Stub Length Twist Drill bit. We try to make sure you have a pleasant shopping experience with us, so that we could do more business with you. We will try our best to resolve the issues. Please give us the opportunity to resolve any problem. You may also like. 6-20mm Extra Long High Speed Steel HSS Twist Drill Bits Set Metal Woodworking xc. 30-125mm CORE DRILL BIT SDS PLUS HEX TCT Masonry Brick Hole Cutter Drilling. 10Pc Double End High Speed Steel HSS M35 Cobalt Stub Twist Drill Bits 3-5.2mm. 6-20mm Extra Long High Speed Steel HSS Twist Drill Bits Set Metal Woodworking UK. 10-35mm High Speed Fast Cut Spade Bits Auger Wood Drill Bits Holesaw Boring UK. Self Centering Lock Hinge Drill Bit Set Hardware Drawer Pilot Hole Guides HSS c. Diamond Tile Dry Drill Bit Hole Saw Cut For Porcelain Tile Glass Marble Ceramics. 6-68mm Dry Diamond Drill Bits Set Porcelain Granite Tile Glass Ceramics Marble.